# Simple Interest in AngularJS Machine Problem

Write a program  to ask the user to give principal amount, time, and rate to calculate the simple interest.   Use the following formula below.

Formula:

SI = (P * T * R) / 100

Where:

P = principal amount

T = time

R = rate

SI = simple interest

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Program Listing

``````<!-- index.htm
Author   : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
Date     : July 20, 2021  Tuesday   10:12 PM
Place    : Bacolod City, Negros Occidental
-->
<html>
<title>Simple Interest in AngularJS</title>
<style>
body {
font-family: arial;
font-size: 25px;
font-weight: bold;
}
</style>
<script type="text/javascript" src="angular.min.js">
</script>

<div ng-app ng-init="principal_amt=0;time=0;interest_rate=0">
<form>
<table border="0" cellspacing=10>
<tr>Simple Interest in AngularJS</tr>
<tr>
<td>Enter Principal Amount </td>
<td><input type="number"  ng-model="principal_amt" ></td>
</tr>
<tr>
<td>Enter Time (ex. 1 for 1 year) </td>
<td><input type="number" ng-model="time" ></td>
</tr>
<tr>
<td>Enter Interest Rate </td>
<td><input type="number"  ng-model="interest_rate" ></td>
</tr>
<table>
</form>
<p>Simple Interest is PHP  {{ (principal_amt * time * interest_rate) / 100 | number : 2}}. </p>
</div>
</body>
</html>

``````